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256
RESULTS

Media Type
248
texts
8
audio
Topics & Subjects
231
Telegraph, Wireless
70
Radio
18
Telegraph
15
Electric waves
11
Telegraph, Wireless -- Periodicals
11
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Collection
178
American Libraries
58
California Digital Library
29
Community Texts
21
Canadian Libraries
17
University of Toronto - Gerstein Science Information Centre
15
Folkscanomy: A Library of Books
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Creator
16
bucher, elmer eustice, 1885-
15
united states. army. signal corps
10
fleming, j. a. (john ambrose), sir, 1849-1945
10
marconi pub. corporation
6
mills, john, 1880-
5
united states. national bureau of standards
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Language
236
English
14
German
6
French
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